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API-577 Exam Dumps : Welding Inspection and Metallurgy Exam

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Welding Inspection and Metallurgy Exam Questions and Answers

Question 1

General awareness of metallurgy is important to the welding inspector because:

Options:

A.

Welding processes can affect both mechanical and corrosion properties of a weldment.

B.

The crystalline structure of base metals affects the resulting structure of the weld.

C.

Physical properties of the final weldment can be significantly affected by preheat and postweld heat treatment (PWHT).

D.

A thorough knowledge of weld metal structures is necessary to understand weldability.

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Question 2

What is the "area of interest" on a weld radiograph?

Options:

A.

The entire radiograph minus 2 in. (50.8 mm) from the edges

B.

Only the area of contrasting density

C.

The specific portion of a radiograph that needs to be evaluated

D.

The portion that is less than 3t from the center of the radiograph, where t is the thickness of the weld

Question 3

Which of the following can result from residual magnetism left in a partially completed weld?

Options:

A.

Excessive distortion

B.

Tendency of weld pool to be sluggish

C.

Deflection of the weld arc

D.

Solidification cracking